body {
    font-family: 'M PLUS 1', sans-serif;
    margin: 0 auto;
    width: 100%;
}
h2 {
    width: 200px;
    padding-bottom: 10px;
    margin: 0 auto;
    text-align: center;
}
h2 p{
    border-top: 1px solid #000;
    margin: 10px auto 0;
    padding-top: 10px;
    font-size: 13px;
}
/***** TOP　*****/
    /***** Header　*****/
        header {
            height: 100px;
            display: flex;
            justify-content: space-between;
            width: ;
            margin: 0 auto;
            line-height: 100px
        }
        header img{
            line-height: 100px;
            height: 40px;
            margin-top: 30px;
        }
        .header_nav {
            list-style: none;
            display: flex;
            margin: 0 0 0 15px;
        }
        .header_nav a {
            margin: 0 0 0 30px;
            text-decoration: none;
            color: #000;
        }
    /***** Main*****/
        /* KV */
        .main_kv img {
            width: 100%;
            display: block;
            margin: 0 auto;
        }
        /* ご挨拶 */
        .greeting {
            background-color: #fff;
            color: #000;
            font-weight: bold;
            padding: 30px 0;
        }
        .greeting p {
            text-align: center;
            line-height: 30px;
        }
        .president_detail {
            width: 100%;
            margin: 0 auto;
        }
        .greeting img {
            display: block;
            width: 150px;
            margin: 20px auto 0;
            border-radius: 50%;
        }
    /* 事業案内 */
        .philosophy {
            background-color: #659AD2;
            color: #fff;
            padding: 30px 0;
        }
        .philosophy h2 p{
            border-top: 1px solid #fff;
        }
        .philosophy ul {
            display: flex;
            justify-content: space-around;
            width: 100%;
            margin: 0 auto;
            padding: 20px 0 0;
            list-style: none;
        }
        .philosophy ul li img{
            border-radius: 50%;
            width: 300px;
        }
        @media screen and (max-width:1000px){
            .philosophy ul {
                display: block;
            }
            .philosophy ul li {
                text-align: center;
                margin-top: 40px;
                margin-bottom: 40px;
            }
        }
    /* 取組活動 */
        .attempt {
            background-image: url(img/attempt.jpg);
            padding: 30px 0;
        }
        .attempt .attempt_detail{
            text-align: center;
            line-height: 30px;
            width: 100%;
            margin: 20px auto 0;
        }
    /* 会社概要 */
        .company_info{
            padding: 30px 0;
        }
        .company_info table{
            margin: 30px auto;
            border-collapse:collapse;
        }
        .company_info table th,td{
            border: 1px solid #ccc;
            padding: 20px;
        }
        .company_info table th{
            width: 100px;
            font-weight: bold;
            background-color: #dedede;
        }
        .company_info table td{
            width: 350px;
        }
/***** business *****/
    .business {
        padding: 30px 0;
    }
    .business h2 p{
        border-top: 1px solid #000;
    }
    .business ul {
        display: flex;
        justify-content: space-around;
        width: 100%;
        margin: 30px auto;
        padding: 20px 0 0;
        list-style: none;
    }
    .business ul li {
        border-radius: 50%;
        font-weight: bold;
        width: 300px;
        text-align: center;
        background-color: #659AD2;
        color: #fff;
        width: 200px;
        height: 200px;
        line-height: 200px;
    }
    @media screen and (max-width:1000px){
        .business ul {
            display: block;
        }
        .business ul li {
            margin: 40px auto;
        }
    }

/***** history *****/
    .history ul {
        padding: 0;
    }
    .history ul li {
        margin: 0 auto;
        text-align: center;
        list-style: none;
        line-height: 35px;
    }
    .history ul li h3{
        font-size: 24px;
        font-weight: bold;
    }
/***** contact *****/
    .container {
        text-align: center;
        margin: 70px auto;
    }
    .container h4{
        margin: 0 auto 30px;
        font-size: 25px;
        font-weight: bold;
    }
    .container p {
        margin: 0 auto 25px;
        /* text-align: center; */
    }
    .container a {
        display: block;
        margin: 50px auto 0;
        width: 200px;
        text-decoration: none;
        color: #000;
        border: 2px solid #000;
        /* text-align: center; */
        padding: 10px 30px;
    }
/***** gallery *****/
    .gallery {
        margin: 50px 0;
    }
    .gallery-container {
        display: flex;
        width: 100%;
        margin: 30px auto 50px;
        justify-content: space-between;
    }
    .gallery-container img{
        width: 320px;
        height: 320px;
    }
/***** footer *****/
    footer {
        background-color: #659AD2;
        color: #fff;
        text-align: center;
        width: 100%;
        height: 50px;
        font-size: 13px;
        line-height: 50px;
    }